You may have heard the term HVAC in reference to AC units; however, do you know what it means? HVAC is commonly used when referring to heating ventilation and air conditioning. HVAC technicians are those professionals who maintain, repair and install heating and air units as well as various other appliances that use refrigerant. This is a great career to choose today as there is a great need for these professionals all across the country. However, before you can begin a career as an HVAC technician, you will need to learn how to become certified. This is where we can help.